Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Sep 02 2026 at 7:50 AM PDT |
| Prob | Sep* | Oct | Nov | Dec | Jan | Feb |
| 10% | 3.6 | 4.1 | 9.8 | 30.5 | 42.7 | 78.4 |
| 25% | 3.3 | 3.5 | 5.8 | 14.4 | 26.8 | 32.3 |
| 50% | 2.9 | 3.1 | 3.4 | 6.4 | 10.2 | 10.9 |
| 75% | 2.7 | 2.7 | 3.0 | 3.2 | 4.0 | 4.5 |
| 90% | 2.5 | 2.5 | 2.8 | 2.9 | 3.1 | 3.1 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Mar | Apr | May | Jun | Jul | Aug |
| 10% | 68.4 | 43.6 | 15.4 | 5.7 | 4.0 | 3.9 |
| 25% | 47.2 | 29.4 | 9.5 | 4.8 | 3.6 | 3.3 |
| 50% | 20.4 | 12.0 | 6.6 | 3.8 | 2.9 | 2.7 |
| 75% | 7.1 | 5.9 | 4.0 | 3.1 | 2.3 | 2.2 |
| 90% | 5.4 | 3.9 | 3.1 | 2.5 | 1.9 | 1.8 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %) |
| Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast. |
